Air Baltic (BT, Riga) is planning to retire its remaining 8 Fokker 50s still operating from its Riga hub to Helsinki Vantaa, Kaliningrad, Kaunas, Lappeenranta, Minsk Int'l 2, Palanga, Tallinn Lennart Meri, Tampere, Vilnius and Warsaw Chopin by the end of the summer timetable season with the last aircraft expected to be removed from service by November 1.